internal static extern IrisRtcRendererPtr GetIrisRtcRenderer(IrisRtcRawDataPtr raw_data_ptr);
internal static extern void UnRegisterVideoFrameObserver(IrisRtcRawDataPtr raw_data_ptr, IrisRtcVideoFrameObserverHandle handle, string identifier);
internal static extern IrisRtcRawDataPluginManagerPtr GetIrisRtcRawDataPluginManager( IrisRtcRawDataPtr raw_data_ptr);
internal static extern IrisRtcVideoFrameObserverHandle RegisterVideoFrameObserver( IrisRtcRawDataPtr raw_data_ptr, IntPtr observerNative, int order, string identifier);